Rivergate/lombard over B-105 X Columbia Slough

Fair Condition41 years old6,965 vehicles/day

Location

StateOregon
CountyMultnomah
LocationTerminal 6 - Rivergate
CarriesRivergate/lombard
CrossesB-105 X Columbia Slough
Coordinates45.63910, -122.76310

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length253.9 ft (77.4 m)
Max Span83.0 ft (25.3 m)
Deck Width35.4 ft (10.8 m)
Deck Area835.9 sq m
Main Spans3
Year Built1985 (reconstructed 2010)

Traffic

Avg Daily Traffic6,965 (2020)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number25B105000 00000

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